ADJUSTABLE ANNULOPLASTY RING ACTIVATION SYSTEM
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Feb 24, 2012
filing date -
Jun 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An adjustable annuloplasty device is described. The device includes a body member comprising a shape memory material, the body member configured to be placed at or near a base of a valve of a heart. The device further includes a hysteretic material configured to undergo magnetic hysteresis in response to a first activation energy, the hysteretic material being in thermal communication with the shape memory material. The body member may have a first size of a body member dimension in a first configuration and a second size of the body member dimension in a second configuration. When the body member is in position in the heart, a change from the first configuration to the second configuration changes a size of a dimension of the annulus of the valve.
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